/* vim:set ts=2 sw=2 sts=2 et: */
/**
 * \author     Marcus Holland-Moritz (github@mhxnet.de)
 * \copyright  Copyright (c) Marcus Holland-Moritz
 *
 * This file is part of dwarfs.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the “Software”), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 * SPDX-License-Identifier: MIT
 */

#pragma once

#include <cstdint>
#include <string>

#include <nlohmann/json.hpp>

#include <dwarfs/gen-cpp2/metadata_layouts.h>

namespace dwarfs {

class file_stat;

namespace reader::internal {

class inode_view_impl;

class time_resolution_handler {
 public:
  explicit time_resolution_handler(
      ::apache::thrift::frozen::View<thrift::metadata::metadata> meta);
  explicit time_resolution_handler(
      ::apache::thrift::frozen::View<thrift::metadata::history_entry> hist);

  void fill_stat_timevals(file_stat& st, inode_view_impl const& ivr) const;
  void add_time_resolution_to(nlohmann::json& j) const;
  std::string get_time_resolution_string() const;

 private:
  template <typename T>
  time_resolution_handler(T const& obj, uint64_t timebase);

  uint64_t const timebase_{0};
  uint32_t const resolution_{1};
  uint32_t const nsec_multiplier_{0};
  bool const mtime_only_{false};
};

} // namespace reader::internal
} // namespace dwarfs
